5 + x -14 = x-7
5+x-x=-7+14
5=7
The answer is no solution
Answer:
Step-by-step explanation:
Friday = x miles
Saturday = x miles
Sunday = 40 miles
Cummulative = 2x + 40
Answer:
x = 17 y= -38
Step-by-step explanation:
x + y = -21
y = x - 55
It doesn't matter whether x or y is 55 less than the other right now.
<u>substitute for y:</u>
x + x - 55 = -21
<u>solve for x:</u>
2x = 34
x = 17
<u>solve for y:</u>
17 + y = -21
y = -38